<template>
  <div>
    <el-dialog :title="upload.title" :visible.sync="upload.open" width="400px" append-to-body>
      <el-upload ref="upload" :limit="1" accept=".xlsx, .xls" :headers="upload.headers"
        :action="upload.url + '?updateSupport=' + upload.updateSupport" :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress" :on-success="handleFileSuccess" :auto-upload="false" drag>
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <div class="el-upload__tip text-center" slot="tip">
          <div class="el-upload__tip" slot="tip">
            <el-checkbox v-model="upload.updateSupport" /> 是否更新已经存在的电量数据
          </div>
          <span>仅允许导入xls、xlsx格式文件。</span>
          <el-link type="primary" :underline="false" style="font-size:12px;vertical-align: baseline;"
            @click="importTemplate">下载模板</el-link>
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import {
    getToken
  } from "@/utils/auth";
  export default {
    name: "InputFile",
    components: {},
    props: {
      importUrl: {
        type: String,
        default: () => {
          return ""
        }
      },
      upload: {
        type: Object,
        default: () => {
          return {
            name:"",
            // 是否显示弹出层（功耗导入）
            open: false,
            // 弹出层标题（功耗导入）
            title: "",
            // 是否禁用上传
            isUploading: false,
            // 是否更新已经存在的功耗数据
            updateSupport: false,
            // 设置上传的请求头部
            headers: {
              Authorization: "Bearer " + getToken()
            },
            // 上传的地址
            url: process.env.VUE_APP_BASE_API + "",
          }
        }
      }
    },
    data() {
      return {};
    },
    created() {},
    methods: {
      /** 下载模板操作 */
      importTemplate() {
        this.download(this.importUrl, {}, this.upload.name+`${new Date().getTime()}.xlsx`)
      },
      // 文件上传中处理
      handleFileUploadProgress(event, file, fileList) {
        this.upload.isUploading = true;
      },
      // 文件上传成功处理
      handleFileSuccess(response, file, fileList) {
        this.upload.open = false;
        this.upload.isUploading = false;
        this.$refs.upload.clearFiles();
        this.$alert("<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response
          .msg + "</div>", "导入结果", {
            dangerouslyUseHTMLString: true
          });
        this.$emit("chandle");  
      },
      // 提交上传文件
      submitFileForm() {
        this.$refs.upload.submit();
      },
    }
  };
</script>


<style scoped lang="scss">
  .app-container-energy {
    .box-card {
      overflow-y: auto;
      height: calc(100vh - 115px);
      margin: 10px 20px;
    }

    .box-cards {
      overflow-y: auto;
      height: calc(100vh - 800px);
      margin: 10px 20px;
    }

  }
</style>
